"Business intelligence analysts use their analysis of market trends and internal data to recommend where a business can improve profits and reduce expenses. Prepare for your interview by brushing up on your financial math and SQL skills, as well as your knowledge of the company's competitive space. A few years of experience and a degree in business, finance, or computer science is required for this position."
Explain/define "Weighted Average".
An average in which each quantity to be averaged is assigned a weight. These weightings determine the relative importance of each quantity on the average. Weightings are the equivalent of having that many like items with the same value involved in the average.